NFS: Add NFS Chart

This PS adds a basic NFS chart for development use.

Change-Id: I11191474e72bbe0d70d542682ed4ad7c3c3dc224
Implements: blueprint nfs-chart

nfs-provisioner/Chart.yaml

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+# Copyright 2017 The Openstack-Helm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+description: OpenStack-Helm NFS
+name: nfs-provisioner
+version: 0.1.0
+home: https://github.com/kubernetes-incubator/external-storage
+sources:
+  - https://github.com/kubernetes-incubator/external-storage
+  - https://git.openstack.org/cgit/openstack/openstack-helm
+maintainers:
+  - name: OpenStack-Helm Authors

nfs-provisioner/requirements.yaml

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+
+# Copyright 2017 The Openstack-Helm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dependencies:
+  - name: helm-toolkit
+    repository: http://localhost:8879/charts
+    version: 0.1.0

nfs-provisioner/templates/deployment.yaml

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+{{/*
+Copyright 2017 The Openstack-Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
+{{- if .Values.manifests.deployment }}
+{{- $envAll := . }}
+---
+kind: Deployment
+apiVersion: apps/v1beta1
+metadata:
+  name: nfs-provisioner
+spec:
+  replicas: {{ .Values.pod.replicas.server }}
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+{{ tuple $envAll "nfs" "provisioner" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
+    spec:
+      affinity:
+{{ tuple $envAll "nfs" "provisioner" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
+      nodeSelector:
+        {{ .Values.labels.node_selector_key }}: {{ .Values.labels.node_selector_value }}
+      containers:
+        - name: nfs-provisioner
+          image: {{ .Values.images.nfs_provisioner }}
+          imagePullPolicy: {{ .Values.images.pull_policy }}
+{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+          securityContext:
+            capabilities:
+              add:
+                - DAC_READ_SEARCH
+                - SYS_RESOURCE
+          ports:
+            - name: nfs
+              containerPort: 2049
+            - name: mountd
+              containerPort: 20048
+            - name: rpcbind
+              containerPort: 111
+            - name: rpcbind-udp
+              containerPort: 111
+              protocol: UDP
+          env:
+            - name: POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
+            - name: SERVICE_NAME
+              value: {{ tuple "nfs" "internal" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+          args:
+            - "-provisioner={{ .Values.storageclass.provisioner }}"
+            - "-grace-period=10"
+          volumeMounts:
+            - name: export-volume
+              mountPath: /export
+      volumes:
+        - name: export-volume
+          hostPath:
+            path: {{ .Values.storage.host.host_path }}
+{{- end }}

nfs-provisioner/templates/service.yaml

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+{{/*
+Copyright 2017 The Openstack-Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
+{{- if .Values.manifests.service }}
+{{- $envAll := . }}
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: {{ tuple "nfs" "internal" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
+  labels:
+{{ tuple $envAll "nfs" "provisioner" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
+spec:
+  ports:
+    - name: nfs
+      port: 2049
+    - name: mountd
+      port: 20048
+    - name: rpcbind
+      port: 111
+    - name: rpcbind-udp
+      port: 111
+      protocol: UDP
+  selector:
+{{ tuple $envAll "nfs" "provisioner" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
+{{- end }}

nfs-provisioner/templates/storage_class.yaml

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+{{/*
+Copyright 2017 The Openstack-Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
+{{- if .Values.manifests.storage_class }}
+{{- $envAll := . }}
+---
+kind: StorageClass
+apiVersion: storage.k8s.io/v1
+metadata:
+  name: {{ .Values.storageclass.name }}
+provisioner: {{ .Values.storageclass.provisioner }}
+{{- end }}

nfs-provisioner/values.yaml

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+# Copyright 2017 The Openstack-Helm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Default values for NFS.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+pod:
+  affinity:
+    anti:
+      type:
+        default: preferredDuringSchedulingIgnoredDuringExecution
+      topologyKey:
+        default: kubernetes.io/hostname
+  replicas:
+    #only 1 replica currently supported
+    server: 1
+  resources:
+    enabled: false
+    server:
+      requests:
+        memory: "128Mi"
+        cpu: "100m"
+      limits:
+        memory: "1024Mi"
+        cpu: "2000m"
+
+images:
+  nfs_provisioner: quay.io/kubernetes_incubator/nfs-provisioner:v1.0.7
+  pull_policy: IfNotPresent
+
+storage:
+  host:
+    host_path: /var/lib/openstack-helm/nfs
+
+labels:
+  node_selector_key: openstack-control-plane
+  node_selector_value: enabled
+
+storageclass:
+  provisioner: example.com/nfs
+  name: general
+
+endpoints:
+  cluster_domain_suffix: cluster.local
+  nfs:
+    hosts:
+      default: nfs-provisioner
+    host_fqdn_override:
+      default: null
+    path: null
+    scheme: null
+    port:
+      nfs:
+        default: null
+
+manifests:
+  deployment: true
+  service: true
+  storage_class: true